v3.26.1
Cover
 3 Months Ended
Mar. 31, 2026
Entity Addresses [Line Items]  
Document Type S-1
Amendment Flag false
Entity Registrant Name Banzai International, Inc.
Entity Central Index Key 0001826011
Entity Primary SIC Number 7372
Entity Tax Identification Number 85-3118980
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 435 Ericksen Ave
Entity Address, Address Line Two Suite 250
Entity Address, City or Town Bainbridge Island
Entity Address, State or Province WA
Entity Address, Postal Zip Code 98110
City Area Code (206)
Local Phone Number 414-1777
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company false
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 435 Ericksen Ave
Entity Address, Address Line Two Suite 250
Entity Address, City or Town Bainbridge Island
Entity Address, State or Province WA
Entity Address, Postal Zip Code 98110
City Area Code (206)
Local Phone Number 414-1777
Contact Personnel Name Joseph Davy